Improper input validation in Atlassian Fisheye and Crucible Server - CVE-2018-5223
Published: May 7, 2018 / Updated: May 14, 2018
Vulnerability identifier: #VU12441
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-5223
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote authenticated attacker to execute arbitrary code on the target system.
The weakness exists due to incorrect check if a configured Mercurial repository URI contained values that the Windows operating system may consider argument parameters. A remote attacker can supply a specially crafted input and execute arbitrary code.
Successful exploitation of the vulnerability may result in system compromise.
Affected software
Atlassian Fisheye
Crucible Server
Crucible Server
How to mitigate CVE-2018-5223
Update to versions 4.4.6, 4.5.3 or 4.6.0.